Childhood-onset epilepsy is a common disorder. There is insufficient data on the distribution
of epilepsy syndromes in the population and their effect on long-term prognosis. This report
presents the data on epilepsy syndromes in a childhood-onset epilepsy cohort. A population-
based active-prevalence cohort of all children under 16 years of age residing in the
catchment area of Turku University Hospital with active epilepsy between 1961 and 1964
was monitored prospectively until 1992. Etiology, seizure type, and epilepsy syndromes …